maxdb_debug

(PECL maxdb >= 1.0)

maxdb_debug — Performs debugging operations

说明

void maxdb_debug ( string $debug )

The maxdb_debug() can be used to trace the SQLDBC communication. The following strings can be used as a parameter to maxdb_debug() :

TRACE SHORT ON|OFF - Enables/disables method call trace.
TRACE LONG ON|OFF - Enables/disables method argument and detail debug trace.
TRACE PACKET ON|OFF|<size> - Enables/disables packet trace, limiting the size of the traced object to the specified number of bytes, or 1000 if no size is specified.
TRACE SQL ON|OFF - Enables/disables high level api trace.
TRACE TIMESTAMP ON|OFF - Enables/disables a timestamp prefix on each line that is traced.
TRACE SIZE <size> - Limits the size of the trace file to <size> bytes, at least 8192 bytes are required.

返回值

maxdb_debug() doesn't return any value.

范例

Example #1 过程化风格

  <?php

maxdb_debug ( "trace packet 200" );

 $link  =  maxdb_connect ( "localhost" ,  "MONA" ,  "RED" ,  "DEMODB" );

 
 if (! $link ) {
    printf ( "Connect failed: %s\n" ,  maxdb_connect_error ());
   exit();
}

 
 maxdb_close ( $link );
 ?>

The above example produces no output.